634011

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 1039680

約数和(自身を除く): 405669

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 227, 399, 681, 931, 1589, 2793, 4313, 4767, 11123, 12939, 30191, 33369, 90573, 211337, 634011]

約数ペア:

[(1, 634011), (3, 211337), (7, 90573), (19, 33369), (21, 30191), (49, 12939), (57, 11123), (133, 4767), (147, 4313), (227, 2793), (399, 1589), (681, 931)]